Tao is a software package for sound synthesis using physical models. It provides a virtual acoustic material constructed from masses and springs which can be used as the basis for building quite complex virtual musical instruments.

Conquest is a Unix/C port of a real-time, multi-player space warfare game that was originally written in RATFOR for the VAX/VMS platform by Jef Poskanzer and Craig Leres. It supports both curses and OpenGL interfaces. Sound is supported as well.